1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=aarch64-apple-darwin -aarch64-bcc-offset-bits=3 < %s | FileCheck %s
define i32 @invert_bcc(float %x, float %y) #0 {
; CHECK-LABEL: invert_bcc:
; CHECK: ; %bb.0:
; CHECK-NEXT: mov w0, wzr
; CHECK-NEXT: fcmp s0, s1
; CHECK-NEXT: mov w8, #42
; CHECK-NEXT: b.pl LBB0_3
; CHECK-NEXT: b LBB0_2
; CHECK-NEXT: LBB0_3:
; CHECK-NEXT: b.gt LBB0_2
; CHECK-NEXT: ; %bb.1: ; %common.ret
; CHECK-NEXT: str w8, [x8]
; CHECK-NEXT: ret
; CHECK-NEXT: LBB0_2: ; %bb2
; CHECK-NEXT: mov w0, #1
; CHECK-NEXT: mov w8, #9
; CHECK-NEXT: ; InlineAsm Start
; CHECK-NEXT: nop
; CHECK-NEXT: nop
; CHECK-NEXT: ; InlineAsm End
; CHECK-NEXT: str w8, [x8]
; CHECK-NEXT: ret
%1 = fcmp ueq float %x, %y
br i1 %1, label %bb1, label %bb2
bb2:
call void asm sideeffect
"nop
nop",
""() #0
store volatile i32 9, i32* undef
ret i32 1
bb1:
store volatile i32 42, i32* undef
ret i32 0
}
declare i32 @foo() #0
define i32 @block_split(i32 %a, i32 %b) #0 {
; CHECK-LABEL: block_split:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: cmp w0, #5
; CHECK-NEXT: b.ne LBB1_1
; CHECK-NEXT: b LBB1_2
; CHECK-NEXT: LBB1_1: ; %lor.lhs.false
; CHECK-NEXT: lsl w8, w1, #1
; CHECK-NEXT: cmp w1, #7
; CHECK-NEXT: csinc w8, w8, w1, lt
; CHECK-NEXT: cmp w8, #16
; CHECK-NEXT: b.le LBB1_2
; CHECK-NEXT: b LBB1_3
; CHECK-NEXT: LBB1_2: ; %if.then
; CHECK-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill
; CHECK-NEXT: bl _foo
; CHECK-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload
; CHECK-NEXT: LBB1_3: ; %if.end
; CHECK-NEXT: mov w0, #7
; CHECK-NEXT: ret
entry:
%cmp = icmp eq i32 %a, 5
br i1 %cmp, label %if.then, label %lor.lhs.false
lor.lhs.false: ; preds = %entry
%cmp1 = icmp slt i32 %b, 7
%mul = shl nsw i32 %b, 1
%add = add nsw i32 %b, 1
%cond = select i1 %cmp1, i32 %mul, i32 %add
%cmp2 = icmp slt i32 %cond, 17
br i1 %cmp2, label %if.then, label %if.end
if.then: ; preds = %lor.lhs.false, %entry
%call = tail call i32 @foo()
br label %if.end
if.end: ; preds = %if.then, %lor.lhs.false
ret i32 7
}
attributes #0 = { nounwind }
|
